fuse: Bad value for 'fd'
==================================================================
BUG: KASAN: slab-out-of-bounds in string_nocheck+0xd8/0x140 lib/vsprintf.c:648
Read of size 1 at addr ffff0000f55637d0 by task syz.4.754/8626

CPU: 1 UID: 0 PID: 8626 Comm: syz.4.754 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 print_address_description+0xb0/0x238 mm/kasan/report.c:378
 print_report+0x68/0x84 mm/kasan/report.c:482
 kasan_report+0x8c/0xc4 mm/kasan/report.c:595
 __asan_report_load1_noabort+0x20/0x2c mm/kasan/report_generic.c:378
 string_nocheck+0xd8/0x140 lib/vsprintf.c:648
 string+0x8c/0xc8 lib/vsprintf.c:730
 vsnprintf+0x880/0xd10 lib/vsprintf.c:2945
 va_format lib/vsprintf.c:1725 [inline]
 pointer+0x5e8/0x6b4 lib/vsprintf.c:2573
 vsnprintf+0x618/0xd10 lib/vsprintf.c:2949
 vprintk_store+0x344/0xb94 kernel/printk/printk.c:2307
 vprintk_emit+0x1bc/0x514 kernel/printk/printk.c:2455
 vprintk_default+0x54/0x80 kernel/printk/printk.c:2494
 vprintk+0x9c/0x114 kernel/printk/printk_safe.c:82
 _printk+0xe0/0x130 kernel/printk/printk.c:2504
 __dynamic_pr_debug+0x148/0x1e4 lib/dynamic_debug.c:879
 idletimer_tg_checkentry_v1+0x9a8/0xc3c net/netfilter/xt_IDLETIMER.c:363
 xt_checkentry_target net/netfilter/x_tables.c:1115 [inline]
 xt_check_target+0x554/0xb24 net/netfilter/x_tables.c:1138
 nft_target_init+0x27c/0x48c net/netfilter/nft_compat.c:268
 nf_tables_newexpr net/netfilter/nf_tables_api.c:3638 [inline]
 nf_tables_newrule+0xee0/0x18d4 net/netfilter/nf_tables_api.c:4456
 nfnetlink_rcv_batch net/netfilter/nfnetlink.c:524 [inline]
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline]
 nfnetlink_rcv+0xc8c/0x16ec net/netfilter/nfnetlink.c:665
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec net/socket.c:775 [inline]
 __sock_sendmsg+0xc8/0x17c net/socket.c:790
 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2684